Origin: 1770–80; < French oriol,Old French < Medieval Latin oriolus, variant of Latin aureolus golden, equivalent to aure(us) golden (derivative of aurum gold) + -olus-ole1
any songbird of the mainly tropical Old World family Oriolidae, such as Oriolus oriolus (golden oriole), having a long pointed bill and a mostly yellow-and-black plumage
2.
any American songbird of the family Icteridae, esp those of the genus Icterus, such as the Baltimore oriole, with a typical male plumage of black with either orange or yellow
[C18: from Medieval Latin oryolus, from Latin aureolus, diminutive of aureus, from aurum gold]
1776, from Fr. oriol, O.Prov. auriol, from L. aureolus "golden," from PIE *aus- "gold." Originally in ref. to the Golden Oriole (Oriolus galbula), a bird of black and yellow plumage that summers in Europe (but is uncommon in England). Applied from 1791 to the unrelated but similarly colored Amer. species